The Echinoid Directory

• Home
• Introduction
• Morphology
• Keys
• Classification
• 3D models
• Index to taxa
• Glossary
• Log in

Archiacia sandalina Agassiz, in Agassiz & Desor, 1847; Museum National d'Histoire Naturelle, Paris, J06292. Cenomanian, Upper Cretaceous, Ain Baira, Algeria. Lateral view.

Width of test 29 mm.